{"product_id":"gd859-012","title":"GD859\/012","description":"\u003c!-- DPSWM-3AB9D327D57086CF · (c) DentPS 2026. All rights reserved. Content carries DentPS digital watermark 3AB9D327D57086CF; unauthorized reproduction is logged. --\u003e\n\u003cdiv class=\"dps-listing\"\u003e\n\u003cstyle\u003e.dps-listing{font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:15px;line-height:1.55;color:#232B38}.dps-listing p{margin:0 0 .8em}.dps-listing p:last-child{margin-bottom:0}.dps-listing strong{font-weight:700}.dps-listing hr{border:0;border-top:1px solid #D7DDE5;margin:1em 0}.dps-listing .dps-code{font-family:\"SF Mono\",Consolas,monospace;font-size:.95em;font-weight:600}.dps-listing .dps-fine{color:#5A6678;font-size:13px;line-height:1.5}\u003c\/style\u003e\n\u003cp\u003e\u003cstrong\u003eGD859\/012: needle diamonds — fine interior detail and precise line angles. Gold series — gold-bonded cutting structure for smooth, efficient reduction.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPEC:\u003c\/strong\u003e Shape: Needles (GD859\/012) · Head: 1.2 mm · Head length: 10 mm · Shank: FG (gold series, 1.6 mm friction-grip) · Pack: \u003cstrong\u003e5 burs\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAVAILABLE GRITS:\u003c\/strong\u003e \u003cstrong\u003eM\u003c\/strong\u003e — select at add-to-cart.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOPERATING SPEC — FG \u0026amp; FGSS SHANK.\u003c\/strong\u003e Recommended operating speed is set by head diameter. Apply the diamond to the surface only after reaching operating speed.\u003c\/p\u003e\n\u003ctable style=\"border-collapse:collapse;margin:10px 0;font-size:14px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #0A0E14;padding:6px 14px;text-align:left;background:#0A0E14;color:#ffffff;\"\u003eHEAD DIAMETER (mm)\u003c\/th\u003e\n\u003cth style=\"border:1px solid #0A0E14;padding:6px 14px;text-align:left;background:#0A0E14;color:#ffffff;\"\u003eRECOMMENDED SPEED (rpm)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e0.6–1.0\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e75,000–150,000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e1.2–1.4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e60,000–110,000 rpm ◄ this head size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e1.5–1.8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e45,000–88,000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e2.0–2.3\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e40,000–75,000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e2.4–2.7\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e30,000–65,000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e2.9–3.1\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e25,000–56,000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e3.2–4.0\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e22,000–45,000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e4.2–5.2\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #0A0E14;padding:6px 14px;\"\u003e20,000–37,000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eRecommended contact pressure: 0.3–2 N — let the diamond do the work. Water spray is essential: minimum 50 ml\/min; heads over 2 mm with working lengths over 21 mm require additional cooling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGRIT CODE — ONE CODE, ONE COLOR, ACROSS THE FULL DENTPS DIAMOND LINE.\u003c\/strong\u003e The color squares on the product image and in this legend share the same coding.\u003c\/p\u003e\n\u003cdiv style=\"display:flex;align-items:center;margin:10px 0;\"\u003e\n\u003cspan style=\"display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;background:#143A8C;color:#FFFFFF;font-weight:700;font-size:14px;letter-spacing:.5px;vertical-align:middle;margin-right:10px;\"\u003eM\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eM — Medium\u003c\/strong\u003e · 105–125 µm · General-purpose preparation..\u003c\/span\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eSAME FAMILY — GD859\/012 ACROSS LINES.\u003c\/strong\u003e Same head, same grit system, different shank or line:\u003c\/p\u003e\n\u003cp style=\"margin:2px 0;\"\u003e\u003cspan class=\"dps-code\"\u003eD859\/012\u003c\/span\u003e — \u003ca href=\"\/products\/d859-012\"\u003estandard FG shank\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"dps-fine\"\u003eItem \u003cspan class=\"dps-code\"\u003eGD859\/012\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Pack of 5","offers":[{"title":"GD859\/012C","offer_id":44833264926879,"sku":"GC6C","price":64.95,"currency_code":"USD","in_stock":true},{"title":"GD859\/012M","offer_id":44833264959647,"sku":"GC6","price":64.95,"currency_code":"USD","in_stock":true},{"title":"GD859\/012F","offer_id":44833264992415,"sku":"GC6F","price":64.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1480\/3080\/files\/dc257c5a44437653f85c00df9eac59d8.png?v=1790731843","url":"https:\/\/dentps.com\/products\/gd859-012","provider":"DentPS.com","version":"1.0","type":"link"}